599 lines
28 KiB
Diff
599 lines
28 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: kickash32 <kickash32@gmail.com>
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Date: Mon, 19 Aug 2019 01:27:58 +0500
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Subject: [PATCH] implement optional per player mob spawns
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index e129794e5cbf5155a232966ef4ff534c0007f1d9..575f277a5d38ade7d70c632712ea895cde3bfaae 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -608,4 +608,12 @@ public class PaperWorldConfig {
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}
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}
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}
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+
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+ public boolean perPlayerMobSpawns = false;
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+ private void perPlayerMobSpawns() {
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+ if (PaperConfig.version < 22) {
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+ set("per-player-mob-spawns", Boolean.TRUE);
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+ }
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+ perPlayerMobSpawns = getBoolean("per-player-mob-spawns", true);
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+ }
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}
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diff --git a/src/main/java/com/destroystokyo/paper/util/PooledHashSets.java b/src/main/java/com/destroystokyo/paper/util/PooledHashSets.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..11de56afaf059b00fa5bec293516bcdce7c4b2b9
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--- /dev/null
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+++ b/src/main/java/com/destroystokyo/paper/util/PooledHashSets.java
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@@ -0,0 +1,241 @@
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+package com.destroystokyo.paper.util;
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+
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+import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
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+import it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet;
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+import java.lang.ref.WeakReference;
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+import java.util.Iterator;
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+
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+/** @author Spottedleaf */
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+public class PooledHashSets<E> {
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+
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+ // we really want to avoid that equals() check as much as possible...
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+ protected final Object2ObjectOpenHashMap<PooledObjectLinkedOpenHashSet<E>, PooledObjectLinkedOpenHashSet<E>> mapPool = new Object2ObjectOpenHashMap<>(64, 0.25f);
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+
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+ protected void decrementReferenceCount(final PooledObjectLinkedOpenHashSet<E> current) {
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+ if (current.referenceCount == 0) {
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+ throw new IllegalStateException("Cannot decrement reference count for " + current);
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+ }
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+ if (current.referenceCount == -1 || --current.referenceCount > 0) {
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+ return;
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+ }
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+
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+ this.mapPool.remove(current);
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+ return;
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+ }
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+
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+ public PooledObjectLinkedOpenHashSet<E> findMapWith(final PooledObjectLinkedOpenHashSet<E> current, final E object) {
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+ final PooledObjectLinkedOpenHashSet<E> cached = current.getAddCache(object);
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+
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+ if (cached != null) {
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+ if (cached.referenceCount != -1) {
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+ ++cached.referenceCount;
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+ }
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+
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+ decrementReferenceCount(current);
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+
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+ return cached;
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+ }
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+
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+ if (!current.add(object)) {
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+ return current;
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+ }
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+
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+ // we use get/put since we use a different key on put
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+ PooledObjectLinkedOpenHashSet<E> ret = this.mapPool.get(current);
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+
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+ if (ret == null) {
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+ ret = new PooledObjectLinkedOpenHashSet<>(current);
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+ current.remove(object);
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+ this.mapPool.put(ret, ret);
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+ ret.referenceCount = 1;
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+ } else {
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+ if (ret.referenceCount != -1) {
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+ ++ret.referenceCount;
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+ }
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+ current.remove(object);
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+ }
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+
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+ current.updateAddCache(object, ret);
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+
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+ decrementReferenceCount(current);
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+ return ret;
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+ }
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+
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+ // rets null if current.size() == 1
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+ public PooledObjectLinkedOpenHashSet<E> findMapWithout(final PooledObjectLinkedOpenHashSet<E> current, final E object) {
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+ if (current.set.size() == 1) {
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+ decrementReferenceCount(current);
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+ return null;
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+ }
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+
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+ final PooledObjectLinkedOpenHashSet<E> cached = current.getRemoveCache(object);
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+
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+ if (cached != null) {
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+ if (cached.referenceCount != -1) {
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+ ++cached.referenceCount;
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+ }
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+
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+ decrementReferenceCount(current);
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+
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+ return cached;
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+ }
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+
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+ if (!current.remove(object)) {
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+ return current;
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+ }
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+
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+ // we use get/put since we use a different key on put
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+ PooledObjectLinkedOpenHashSet<E> ret = this.mapPool.get(current);
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+
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+ if (ret == null) {
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+ ret = new PooledObjectLinkedOpenHashSet<>(current);
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+ current.add(object);
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+ this.mapPool.put(ret, ret);
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+ ret.referenceCount = 1;
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+ } else {
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+ if (ret.referenceCount != -1) {
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+ ++ret.referenceCount;
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+ }
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+ current.add(object);
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+ }
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+
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+ current.updateRemoveCache(object, ret);
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+
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+ decrementReferenceCount(current);
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+ return ret;
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+ }
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+
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+ public static final class PooledObjectLinkedOpenHashSet<E> implements Iterable<E> {
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+
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+ private static final WeakReference NULL_REFERENCE = new WeakReference(null);
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+
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+ final ObjectLinkedOpenHashSet<E> set;
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+ int referenceCount; // -1 if special
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+ int hash; // optimize hashcode
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+
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+ // add cache
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+ WeakReference<E> lastAddObject = NULL_REFERENCE;
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+ WeakReference<PooledObjectLinkedOpenHashSet<E>> lastAddMap = NULL_REFERENCE;
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+
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+ // remove cache
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+ WeakReference<E> lastRemoveObject = NULL_REFERENCE;
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+ WeakReference<PooledObjectLinkedOpenHashSet<E>> lastRemoveMap = NULL_REFERENCE;
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+
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+ public PooledObjectLinkedOpenHashSet() {
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+ this.set = new ObjectLinkedOpenHashSet<>(2, 0.6f);
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+ }
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+
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+ public PooledObjectLinkedOpenHashSet(final E single) {
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+ this();
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+ this.referenceCount = -1;
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+ this.add(single);
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+ }
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+
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+ public PooledObjectLinkedOpenHashSet(final PooledObjectLinkedOpenHashSet<E> other) {
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+ this.set = other.set.clone();
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+ this.hash = other.hash;
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+ }
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+
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+ // from https://github.com/Spottedleaf/ConcurrentUtil/blob/master/src/main/java/ca/spottedleaf/concurrentutil/util/IntegerUtil.java
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+ // generated by https://github.com/skeeto/hash-prospector
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+ static int hash0(int x) {
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+ x *= 0x36935555;
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+ x ^= x >>> 16;
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+ return x;
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+ }
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+
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+ public PooledObjectLinkedOpenHashSet<E> getAddCache(final E element) {
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+ final E currentAdd = this.lastAddObject.get();
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+
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+ if (currentAdd == null || !(currentAdd == element || currentAdd.equals(element))) {
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+ return null;
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+ }
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+
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+ final PooledObjectLinkedOpenHashSet<E> map = this.lastAddMap.get();
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+ if (map == null || map.referenceCount == 0) {
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+ // we need to ret null if ref count is zero as calling code will assume the map is in use
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+ return null;
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+ }
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+
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+ return map;
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+ }
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+
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+ public PooledObjectLinkedOpenHashSet<E> getRemoveCache(final E element) {
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+ final E currentRemove = this.lastRemoveObject.get();
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+
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+ if (currentRemove == null || !(currentRemove == element || currentRemove.equals(element))) {
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+ return null;
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+ }
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+
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+ final PooledObjectLinkedOpenHashSet<E> map = this.lastRemoveMap.get();
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+ if (map == null || map.referenceCount == 0) {
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+ // we need to ret null if ref count is zero as calling code will assume the map is in use
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+ return null;
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+ }
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+
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+ return map;
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+ }
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+
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+ public void updateAddCache(final E element, final PooledObjectLinkedOpenHashSet<E> map) {
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+ this.lastAddObject = new WeakReference<>(element);
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+ this.lastAddMap = new WeakReference<>(map);
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+ }
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+
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+ public void updateRemoveCache(final E element, final PooledObjectLinkedOpenHashSet<E> map) {
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+ this.lastRemoveObject = new WeakReference<>(element);
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+ this.lastRemoveMap = new WeakReference<>(map);
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+ }
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+
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+ boolean add(final E element) {
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+ boolean added = this.set.add(element);
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+
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+ if (added) {
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+ this.hash += hash0(element.hashCode());
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+ }
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+
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+ return added;
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+ }
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+
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+ boolean remove(Object element) {
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+ boolean removed = this.set.remove(element);
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+
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+ if (removed) {
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+ this.hash -= hash0(element.hashCode());
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+ }
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+
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+ return removed;
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+ }
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+
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+ @Override
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+ public Iterator<E> iterator() {
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+ return this.set.iterator();
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+ }
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+
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+ @Override
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+ public int hashCode() {
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+ return this.hash;
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+ }
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+
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+ @Override
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+ public boolean equals(final Object other) {
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+ if (!(other instanceof PooledObjectLinkedOpenHashSet)) {
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+ return false;
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+ }
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+ if (this.referenceCount == 0) {
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+ return other == this;
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+ } else {
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+ if (other == this) {
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+ // Unfortunately we are never equal to our own instance while in use!
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+ return false;
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+ }
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+ return this.hash == ((PooledObjectLinkedOpenHashSet)other).hash && this.set.equals(((PooledObjectLinkedOpenHashSet)other).set);
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+ }
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+ }
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+
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+ @Override
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+ public String toString() {
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+ return "PooledHashSet: size: " + this.set.size() + ", reference count: " + this.referenceCount + ", hash: " +
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+ this.hashCode() + ", identity: " + System.identityHashCode(this) + " map: " + this.set.toString();
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+ }
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
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index f1bf847a498023ce8729315c6ec68f1d16cab822..a0ffdeaad5c375539857d6a5a94832216d09f024 100644
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--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
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@@ -155,6 +155,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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private final Long2LongMap chunkSaveCooldowns;
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private final Queue<Runnable> unloadQueue;
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int viewDistance;
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+ public final com.destroystokyo.paper.util.misc.PlayerAreaMap playerMobDistanceMap; // Paper
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// CraftBukkit start - recursion-safe executor for Chunk loadCallback() and unloadCallback()
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public final CallbackExecutor callbackExecutor = new CallbackExecutor();
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@@ -184,16 +185,31 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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int chunkX = MCUtil.getChunkCoordinate(player.getX());
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int chunkZ = MCUtil.getChunkCoordinate(player.getZ());
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// Note: players need to be explicitly added to distance maps before they can be updated
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+ // Paper start - per player mob spawning
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+ if (this.playerMobDistanceMap != null) {
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+ this.playerMobDistanceMap.add(player, chunkX, chunkZ, this.distanceManager.getSimulationDistance());
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+ }
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+ // Paper end - per player mob spawning
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}
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void removePlayerFromDistanceMaps(ServerPlayer player) {
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+ // Paper start - per player mob spawning
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+ if (this.playerMobDistanceMap != null) {
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+ this.playerMobDistanceMap.remove(player);
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+ }
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+ // Paper end - per player mob spawning
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}
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void updateMaps(ServerPlayer player) {
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int chunkX = MCUtil.getChunkCoordinate(player.getX());
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int chunkZ = MCUtil.getChunkCoordinate(player.getZ());
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// Note: players need to be explicitly added to distance maps before they can be updated
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+ // Paper start - per player mob spawning
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+ if (this.playerMobDistanceMap != null) {
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+ this.playerMobDistanceMap.update(player, chunkX, chunkZ, this.distanceManager.getSimulationDistance());
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+ }
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+ // Paper end - per player mob spawning
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}
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// Paper end
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// Paper start
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@@ -268,6 +284,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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this.dataRegionManager = new io.papermc.paper.chunk.SingleThreadChunkRegionManager(this.level, 2, (1.0 / 3.0), 1, 6, "Data", DataRegionData::new, DataRegionSectionData::new);
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this.regionManagers.add(this.dataRegionManager);
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// Paper end
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+ this.playerMobDistanceMap = this.level.paperConfig.perPlayerMobSpawns ? new com.destroystokyo.paper.util.misc.PlayerAreaMap(this.pooledLinkedPlayerHashSets) : null; // Paper
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}
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protected ChunkGenerator generator() {
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@@ -285,6 +302,31 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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});
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}
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+ // Paper start
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+ public void updatePlayerMobTypeMap(Entity entity) {
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+ if (!this.level.paperConfig.perPlayerMobSpawns) {
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+ return;
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+ }
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+ int index = entity.getType().getCategory().ordinal();
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+
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+ final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> inRange = this.playerMobDistanceMap.getObjectsInRange(entity.chunkPosition());
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+ if (inRange == null) {
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+ return;
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+ }
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+ final Object[] backingSet = inRange.getBackingSet();
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+ for (int i = 0; i < backingSet.length; i++) {
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+ if (!(backingSet[i] instanceof final ServerPlayer player)) {
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+ continue;
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+ }
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+ ++player.mobCounts[index];
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+ }
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+ }
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+
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+ public int getMobCountNear(ServerPlayer entityPlayer, net.minecraft.world.entity.MobCategory mobCategory) {
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+ return entityPlayer.mobCounts[mobCategory.ordinal()];
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+ }
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+ // Paper end
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+
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private static double euclideanDistanceSquared(ChunkPos pos, Entity entity) {
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double d0 = (double) SectionPos.sectionToBlockCoord(pos.x, 8);
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double d1 = (double) SectionPos.sectionToBlockCoord(pos.z, 8);
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diff --git a/src/main/java/net/minecraft/server/level/DistanceManager.java b/src/main/java/net/minecraft/server/level/DistanceManager.java
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index 1e066a35b53b1f71a0e6376a22d51fc4c0a412dc..6228f2f67541da62b0ae093de987662db9643740 100644
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--- a/src/main/java/net/minecraft/server/level/DistanceManager.java
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+++ b/src/main/java/net/minecraft/server/level/DistanceManager.java
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@@ -326,6 +326,12 @@ public abstract class DistanceManager {
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}
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+ // Paper start
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+ public int getSimulationDistance() {
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+ return this.simulationDistance;
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+ }
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+ // Paper end
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+
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public int getNaturalSpawnChunkCount() {
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this.naturalSpawnChunkCounter.runAllUpdates();
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return this.naturalSpawnChunkCounter.chunks.size();
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diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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index b6737c0b74e821c948919ca4184dfe0281a19894..cbb8adea5e867a92e1dc4c94a0e7e116b7ac2274 100644
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--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
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@@ -915,7 +915,18 @@ public class ServerChunkCache extends ChunkSource {
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gameprofilerfiller.push("naturalSpawnCount");
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this.level.timings.countNaturalMobs.startTiming(); // Paper - timings
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int l = this.distanceManager.getNaturalSpawnChunkCount();
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- NaturalSpawner.SpawnState spawnercreature_d = NaturalSpawner.createState(l, this.level.getAllEntities(), this::getFullChunk, new LocalMobCapCalculator(this.chunkMap));
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+ // Paper start - per player mob spawning
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+ NaturalSpawner.SpawnState spawnercreature_d; // moved down
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+ if ((this.spawnFriendlies || this.spawnEnemies) && this.chunkMap.playerMobDistanceMap != null) { // don't count mobs when animals and monsters are disabled
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+ // re-set mob counts
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+ for (ServerPlayer player : this.level.players) {
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+ Arrays.fill(player.mobCounts, 0);
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+ }
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+ spawnercreature_d = NaturalSpawner.createState(l, this.level.getAllEntities(), this::getFullChunk, null, true);
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+ } else {
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+ spawnercreature_d = NaturalSpawner.createState(l, this.level.getAllEntities(), this::getFullChunk, this.chunkMap.playerMobDistanceMap == null ? new LocalMobCapCalculator(this.chunkMap) : null, false);
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+ }
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+ // Paper end
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this.level.timings.countNaturalMobs.stopTiming(); // Paper - timings
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this.lastSpawnState = spawnercreature_d;
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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index 910991b0c153a74d35cf097e0ac5a02559729a2e..9815bb19b8210493d549bed5b2baa95331d71469 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
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@@ -225,6 +225,11 @@ public class ServerPlayer extends Player {
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public boolean queueHealthUpdatePacket = false;
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public net.minecraft.network.protocol.game.ClientboundSetHealthPacket queuedHealthUpdatePacket;
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// Paper end
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+ // Paper start - mob spawning rework
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+ public static final int MOBCATEGORY_TOTAL_ENUMS = net.minecraft.world.entity.MobCategory.values().length;
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+ public final int[] mobCounts = new int[MOBCATEGORY_TOTAL_ENUMS]; // Paper
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+ public final com.destroystokyo.paper.util.PooledHashSets.PooledObjectLinkedOpenHashSet<ServerPlayer> cachedSingleMobDistanceMap;
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+ // Paper end
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// CraftBukkit start
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public String displayName;
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@@ -315,6 +320,7 @@ public class ServerPlayer extends Player {
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this.adventure$displayName = net.kyori.adventure.text.Component.text(this.getScoreboardName()); // Paper
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this.bukkitPickUpLoot = true;
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this.maxHealthCache = this.getMaxHealth();
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+ this.cachedSingleMobDistanceMap = new com.destroystokyo.paper.util.PooledHashSets.PooledObjectLinkedOpenHashSet<>(this); // Paper
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}
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// Yes, this doesn't match Vanilla, but it's the best we can do for now.
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diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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index 474dc6302d2b0f8c629b2e1f6de9d4ba6faf398b..1622450b53e0f0f48c3ca107e4d705b4ad29dadf 100644
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--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
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@@ -67,7 +67,13 @@ public final class NaturalSpawner {
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private NaturalSpawner() {}
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+ // Paper start - add countMobs parameter
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public static NaturalSpawner.SpawnState createState(int spawningChunkCount, Iterable<Entity> entities, NaturalSpawner.ChunkGetter chunkSource, LocalMobCapCalculator localmobcapcalculator) {
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+ return createState(spawningChunkCount, entities, chunkSource, localmobcapcalculator, false);
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+ }
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+
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+ public static NaturalSpawner.SpawnState createState(int spawningChunkCount, Iterable<Entity> entities, NaturalSpawner.ChunkGetter chunkSource, LocalMobCapCalculator localmobcapcalculator, boolean countMobs) {
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+ // Paper end
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PotentialCalculator spawnercreatureprobabilities = new PotentialCalculator();
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Object2IntOpenHashMap<MobCategory> object2intopenhashmap = new Object2IntOpenHashMap();
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Iterator iterator = entities.iterator();
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@@ -103,11 +109,16 @@ public final class NaturalSpawner {
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spawnercreatureprobabilities.addCharge(entity.blockPosition(), biomesettingsmobs_b.getCharge());
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}
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- if (entity instanceof Mob) {
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+ if (localmobcapcalculator != null && entity instanceof Mob) { // Paper
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localmobcapcalculator.addMob(chunk.getPos(), enumcreaturetype);
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}
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object2intopenhashmap.addTo(enumcreaturetype, 1);
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+ // Paper start
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+ if (countMobs) {
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+ chunk.level.getChunkSource().chunkMap.updatePlayerMobTypeMap(entity);
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+ }
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+ // Paper end
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});
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}
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}
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@@ -142,13 +153,37 @@ public final class NaturalSpawner {
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continue;
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}
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- if ((spawnAnimals || !enumcreaturetype.isFriendly()) && (spawnMonsters || enumcreaturetype.isFriendly()) && (rareSpawn || !enumcreaturetype.isPersistent()) && info.canSpawnForCategory(enumcreaturetype, chunk.getPos(), limit)) {
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+ // Paper start - only allow spawns upto the limit per chunk and update count afterwards
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+ int currEntityCount = info.mobCategoryCounts.getInt(enumcreaturetype);
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+ int k1 = limit * info.getSpawnableChunkCount() / NaturalSpawner.MAGIC_NUMBER;
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+ int difference = k1 - currEntityCount;
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+
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+ if (world.paperConfig.perPlayerMobSpawns) {
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+ int minDiff = Integer.MAX_VALUE;
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+ final com.destroystokyo.paper.util.misc.PooledLinkedHashSets.PooledObjectLinkedOpenHashSet<net.minecraft.server.level.ServerPlayer> inRange = world.getChunkSource().chunkMap.playerMobDistanceMap.getObjectsInRange(chunk.getPos());
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+ if (inRange != null) {
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+ final Object[] backingSet = inRange.getBackingSet();
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+ for (int k = 0; k < backingSet.length; k++) {
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+ if (!(backingSet[k] instanceof final net.minecraft.server.level.ServerPlayer player)) {
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+ continue;
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+ }
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+ minDiff = Math.min(limit - world.getChunkSource().chunkMap.getMobCountNear(player, enumcreaturetype), minDiff);
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+ }
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+ }
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+ difference = (minDiff == Integer.MAX_VALUE) ? 0 : minDiff;
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+ }
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+ if ((spawnAnimals || !enumcreaturetype.isFriendly()) && (spawnMonsters || enumcreaturetype.isFriendly()) && (rareSpawn || !enumcreaturetype.isPersistent()) && difference > 0) {
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+ // Paper end
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// CraftBukkit end
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Objects.requireNonNull(info);
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NaturalSpawner.SpawnPredicate spawnercreature_c = info::canSpawn;
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Objects.requireNonNull(info);
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- NaturalSpawner.spawnCategoryForChunk(enumcreaturetype, world, chunk, spawnercreature_c, info::afterSpawn);
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+ // Paper start
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+ int spawnCount = NaturalSpawner.spawnCategoryForChunk(enumcreaturetype, world, chunk, spawnercreature_c, info::afterSpawn,
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+ difference, world.paperConfig.perPlayerMobSpawns ? world.getChunkSource().chunkMap::updatePlayerMobTypeMap : null);
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+ info.mobCategoryCounts.mergeInt(enumcreaturetype, spawnCount, Integer::sum);
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+ // Paper end
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}
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}
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@@ -156,12 +191,18 @@ public final class NaturalSpawner {
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world.getProfiler().pop();
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}
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+ // Paper start - add parameters and int ret type
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public static void spawnCategoryForChunk(MobCategory group, ServerLevel world, LevelChunk chunk, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner) {
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+ spawnCategoryForChunk(group, world, chunk, checker, runner, Integer.MAX_VALUE, null);
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+ }
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+ public static int spawnCategoryForChunk(MobCategory group, ServerLevel world, LevelChunk chunk, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner, int maxSpawns, Consumer<Entity> trackEntity) {
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+ // Paper end - add parameters and int ret type
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BlockPos blockposition = NaturalSpawner.getRandomPosWithin(world, chunk);
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if (blockposition.getY() >= world.getMinBuildHeight() + 1) {
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- NaturalSpawner.spawnCategoryForPosition(group, world, chunk, blockposition, checker, runner);
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+ return NaturalSpawner.spawnCategoryForPosition(group, world, chunk, blockposition, checker, runner, maxSpawns, trackEntity); // Paper
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}
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+ return 0; // Paper
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}
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@VisibleForDebug
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@@ -172,15 +213,21 @@ public final class NaturalSpawner {
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});
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}
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+ // Paper start - add maxSpawns parameter and return spawned mobs
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public static void spawnCategoryForPosition(MobCategory group, ServerLevel world, ChunkAccess chunk, BlockPos pos, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner) {
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+ spawnCategoryForPosition(group, world,chunk, pos, checker, runner, Integer.MAX_VALUE, null);
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+ }
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+ public static int spawnCategoryForPosition(MobCategory group, ServerLevel world, ChunkAccess chunk, BlockPos pos, NaturalSpawner.SpawnPredicate checker, NaturalSpawner.AfterSpawnCallback runner, int maxSpawns, Consumer<Entity> trackEntity) {
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+ // Paper end - add maxSpawns parameter and return spawned mobs
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StructureFeatureManager structuremanager = world.structureFeatureManager();
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ChunkGenerator chunkgenerator = world.getChunkSource().getGenerator();
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int i = pos.getY();
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BlockState iblockdata = world.getBlockStateIfLoadedAndInBounds(pos); // Paper - don't load chunks for mob spawn
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+ int j = 0; // Paper - moved up
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if (iblockdata != null && !iblockdata.isRedstoneConductor(chunk, pos)) { // Paper - don't load chunks for mob spawn
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BlockPos.MutableBlockPos blockposition_mutableblockposition = new BlockPos.MutableBlockPos();
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- int j = 0;
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+ //int j = 0; // Paper - moved up
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int k = 0;
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while (k < 3) {
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@@ -222,14 +269,14 @@ public final class NaturalSpawner {
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// Paper start
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Boolean doSpawning = isValidSpawnPostitionForType(world, group, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
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if (doSpawning == null) {
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- return;
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+ return j; // Paper
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}
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if (doSpawning && checker.test(biomesettingsmobs_c.type, blockposition_mutableblockposition, chunk)) {
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// Paper end
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Mob entityinsentient = NaturalSpawner.getMobForSpawn(world, biomesettingsmobs_c.type);
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if (entityinsentient == null) {
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- return;
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+ return j; // Paper
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}
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entityinsentient.moveTo(d0, (double) i, d1, world.random.nextFloat() * 360.0F, 0.0F);
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@@ -241,10 +288,15 @@ public final class NaturalSpawner {
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++j;
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++k1;
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runner.run(entityinsentient, chunk);
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+ // Paper start
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+ if (trackEntity != null) {
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+ trackEntity.accept(entityinsentient);
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+ }
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+ // Paper end
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}
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// CraftBukkit end
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- if (j >= entityinsentient.getMaxSpawnClusterSize()) {
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- return;
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+ if (j >= entityinsentient.getMaxSpawnClusterSize() || j >= maxSpawns) { // Paper
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+ return j; // Paper
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}
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if (entityinsentient.isMaxGroupSizeReached(k1)) {
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@@ -266,6 +318,7 @@ public final class NaturalSpawner {
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}
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}
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+ return j; // Paper
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}
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private static boolean isRightDistanceToPlayerAndSpawnPoint(ServerLevel world, ChunkAccess chunk, BlockPos.MutableBlockPos pos, double squaredDistance) {
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@@ -551,7 +604,7 @@ public final class NaturalSpawner {
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MobCategory enumcreaturetype = entitytypes.getCategory();
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this.mobCategoryCounts.addTo(enumcreaturetype, 1);
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- this.localMobCapCalculator.addMob(new ChunkPos(blockposition), enumcreaturetype);
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+ if (this.localMobCapCalculator != null) this.localMobCapCalculator.addMob(new ChunkPos(blockposition), enumcreaturetype); // Paper
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}
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public int getSpawnableChunkCount() {
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@@ -567,6 +620,7 @@ public final class NaturalSpawner {
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int i = limit * this.spawnableChunkCount / NaturalSpawner.MAGIC_NUMBER;
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// CraftBukkit end
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+ if (this.localMobCapCalculator == null) return this.mobCategoryCounts.getInt(enumcreaturetype) < i; // Paper
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return this.mobCategoryCounts.getInt(enumcreaturetype) >= i ? false : this.localMobCapCalculator.canSpawn(enumcreaturetype, chunkcoordintpair);
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}
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}
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